Thread guide



FIG. 1 is a perspective view of a thread guide showing my new design;

FIG. 2 is a front side view of the thread guide shown in FIG. 1;

FIG. 3 is a rear side view of the thread guide shown in FIG. 1;

FIG. 4 is a left side view of the thread guide shown in FIG. 1;

FIG. 5 is a right side view of the thread guide shown in FIG. 1;

FIG. 6 is a top view of the thread guide shown in FIG. 1; and,

FIG. 7 is a bottom view of the thread guide shown in FIG. 1.

The broken lines in the drawings disclose unclaimed portion of the thread guide only and forms no part of the claimed design. 

CLAIM The ornamental design for a thread guide, as shown and described. 